CN213112269U

CN213112269U - Connecting structure of crane cab

Info

Publication number: CN213112269U
Application number: CN202021793091.6U
Authority: CN
Inventors: 谢军强; 孙淑娜; 侯永强; 张家宽; 赵宗尚; 刘珂; 李保钦; 郭庆亮
Original assignee: Henan Weihua Heavy Machinery Co Ltd
Current assignee: Henan Weihua Heavy Machinery Co Ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-05-04
Anticipated expiration: 2030-08-25

Abstract

A connecting structure of a crane cab relates to the technical field of hoisting equipment, and comprises a hanger, a cab, a buffer device and a connecting assembly; the four corner ends of the top of the cab are provided with a plurality of groups of connecting components correspondingly connected with the bottom of the hanging bracket, and the positions corresponding to the connecting components are provided with buffer devices; the buffer device comprises an inner bushing, an elastic buffer sleeve and an outer bushing, wherein the inner bushing, the elastic buffer sleeve and the outer bushing are sequentially and tightly sleeved from inside to outside, the tops of the inner bushing, the elastic buffer sleeve and the outer bushing are respectively provided with a right-angle flanging, and the bottoms of the inner bushing and the elastic buffer sleeve extend out of the outer bushing; the outer bushing sleeve body penetrates through the bottom of the hanging bracket, the right-angle flanging of the outer bushing is correspondingly contacted with the inner bottom of the hanging bracket, and the bottom end face of the elastic buffer sleeve is correspondingly abutted against the top face of the cab; the utility model discloses effectively solved current hoist cab and vibrate intensely, the poor problem of travelling comfort in the operation process.

Description

Connecting structure of crane cab

Technical Field

The utility model belongs to the technical field of the jacking equipment technique and specifically relates to a hoist cab connection structure is related to.

Background

The cab of the crane special for electrolytic copper used in the copper electrolysis workshop is connected to the trolley through a hanging bracket, the cab is a movable cab which follows the trolley of the crane to travel, the maximum running speed of the crane cart needs to reach 160m/min, and the cab can not be prevented from vibrating and shaking at the high running speed; the mode that has now be connected gallows and driver's cabin is mostly bolted rigid connection or direct welding, does not have damping buffer, and this kind of connection structure can lead to the driver's cabin vibration great, and driver operating comfort is relatively poor, and the driver is easily tired, and this kind of phenomenon is the problem that the skilled person in the art waited to solve urgently.

Disclosure of Invention

In order to overcome the not enough in the background art, the utility model discloses a hoist cab connection structure.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a connecting structure of a crane cab comprises a hanging bracket, the cab, a buffer device and a connecting assembly; the four corner ends of the top of the cab are provided with a plurality of groups of connecting components correspondingly connected with the bottom of the hanging bracket, and the positions corresponding to the connecting components are provided with buffer devices; the buffer device comprises an inner bushing, an elastic buffer sleeve and an outer bushing, wherein the inner bushing, the elastic buffer sleeve and the outer bushing are sequentially and tightly sleeved from inside to outside, the tops of the inner bushing, the elastic buffer sleeve and the outer bushing are respectively provided with a right-angle flanging, and the bottoms of the inner bushing and the elastic buffer sleeve extend out of the outer bushing; the sleeve body of the outer bushing penetrates through the bottom of the hanging bracket, the right-angle flanging of the outer bushing is correspondingly contacted with the bottom in the hanging bracket, the bottom end face of the elastic buffer sleeve is correspondingly abutted against the top face of the cab, and the bottom of the inner bushing is not contacted with the top face of the cab; the coupling assembling contains connecting axle and nut, the bottom and the corresponding joint in cab top of connecting axle, the axle body of connecting axle runs through the centre bore of neck bush, and the top silk of connecting axle connects there is the nut.

Preferably, the bottom of the connecting shaft is of a ball head structure, a ball seat I which is correspondingly matched with a ball head at the bottom of the connecting shaft is arranged at the top in the cab, and the aperture of a central hole of the ball seat I is larger than the diameter of the shaft of the connecting shaft.

Preferably, the top of the shaft body of the connecting shaft is sleeved with a spherical ring, the top surface of the spherical ring is in corresponding contact with the bottom surface of the nut, the bottom of the spherical ring is a spherical surface, the top of the inner bushing is provided with a ball seat II which is correspondingly matched with the spherical surface at the bottom of the spherical ring, the aperture of a central hole of the ball seat II is larger than the diameter of the shaft of the connecting shaft, and the diameter of the shaft of the connecting shaft is smaller than the aperture of the central hole of the inner.

Preferably, the connecting shaft is a bolt, and a shaft body of the connecting shaft is correspondingly contacted with the inner wall of the central hole of the inner bushing.

Preferably, the top of the connecting shaft is provided with a split pin for preventing the nut from falling off accidentally.

Preferably, the elastic buffer sleeve is made of vulcanized rubber.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

the utility model discloses a crane cab connecting structure, simple structure, easily assembly, manufacturing cost is lower, buffer contains neck bush, elastic buffer sleeve and outer liner, coupling assembling contains connecting axle and nut, can correspond hanger, buffer and cab through connecting axle and nut and connect, elastic buffer sleeve possesses good elasticity, can effectively filter the vibration that the hanger produced, thereby makes the cab can operate steadily; in addition, the bottom of connecting axle is the bulb structure, and cab internal top is equipped with and corresponds supporting ball seat I with connecting axle bottom bulb, and the centre bore aperture of this ball seat I is greater than the diameter of axle of connecting axle, and I radial within range swings of ball seat promptly, and when the connecting axle slope, automatic re-setting under the effect of elastic buffer sleeve to effectively alleviate cab horizontal direction's swing, effectively improved driver's comfort level.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a buffering device;

fig. 3 is another structural schematic diagram of the connecting assembly.

In the figure: 1. a hanger; 2. a driver's cab; 3. a buffer device; 3-1, inner lining; 3-2, an elastic buffer sleeve; 3-3, an outer liner; 4. a connecting assembly; 4-1, connecting shaft; 4-2, a screw cap; 4-3, a ball seat I; 4-4, spherical ring; 4-5, ball seat II; 4-6, a cotter pin.

Detailed Description

The invention will be explained in more detail by the following examples, which disclose the invention and are intended to protect all technical improvements within the scope of the invention.

With reference to the attached drawings 1-3, the connecting structure of the cab of the crane comprises a hanging bracket 1, a cab 2, a buffer device 3 and a connecting assembly 4; a plurality of groups of connecting components 4 correspondingly connected with the bottom of the hanger 1 are arranged at four corner ends of the top of the cab 2, and buffering devices 3 are arranged at positions corresponding to the connecting components 4; the buffer device 3 comprises an inner bushing 3-1, an elastic buffer bushing 3-2 and an outer bushing 3-3, the inner bushing 3-1, the elastic buffer bushing 3-2 and the outer bushing 3-3 are sequentially and tightly sleeved from inside to outside, the tops of the inner bushing 3-1, the elastic buffer bushing 3-2 and the outer bushing 3-3 are respectively provided with a right-angle flanging, and the bottoms of the inner bushing 3-1 and the elastic buffer bushing 3-2 extend out of the outer bushing 3-3; the outer bushing 3-3 penetrates through the bottom of the hanger 1, a right-angle flanging of the outer bushing 3-3 is correspondingly contacted with the bottom in the hanger 1, the bottom end face of the elastic buffer sleeve 3-2 is correspondingly abutted against the top face of the cab 2, and the bottom of the inner bushing 3-1 is not contacted with the top face of the cab 2; the connecting assembly 4 comprises a connecting shaft 4-1 and a screw cap 4-2, the bottom of the connecting shaft 4-1 is correspondingly clamped with the top of the cab 2, the shaft body of the connecting shaft 4-1 penetrates through the central hole of the inner bushing 3-1, and the screw cap 4-2 is screwed on the top of the connecting shaft 4-1; according to the requirement, the split pin 4-6 for preventing the nut 4-2 from accidentally falling off is arranged at the top of the connecting shaft 4-1, so that the split pin 4-6 can effectively prevent the nut 4-2 from accidentally falling off to cause the cab 2 to fall off, and the safety performance is effectively improved; the elastic buffer sleeve 3-2 is made of vulcanized rubber, and the vulcanized rubber has the excellent characteristics of high elasticity, high strength, high wear resistance and high heat resistance;

the first embodiment is as follows: the connecting shaft 4-1 is a bolt, the shaft body of the connecting shaft 4-1 is correspondingly contacted with the inner wall of the central hole of the inner bushing 3-1, namely, the hanger 1, the buffer device 3 and the cab 2 can be correspondingly connected through the connecting shaft 4-1, and the elastic buffer sleeve 3-2 has good elasticity and can effectively filter the vibration generated by the hanger 1, so that the cab 2 can stably run;

example two: the bottom of the connecting shaft 4-1 is of a ball head structure, a ball seat I4-3 which is correspondingly matched with a ball head at the bottom of the connecting shaft 4-1 is arranged at the inner top of the cab 2, the aperture of a central hole of the ball seat I4-3 is larger than the shaft diameter of the connecting shaft 4-1, namely, the connecting shaft 4-1 can swing along the radial direction of the ball seat I4-3 in a small range, and when the connecting shaft 4-1 inclines, the elastic buffer sleeve 3-2 automatically resets under the action of the elastic buffer sleeve 3-2, so that the swing of the cab 2 in the horizontal direction;

in addition, the top of the shaft body of the connecting shaft 4-1 is sleeved with a spherical ring 4-4 with the top surface correspondingly contacted with the bottom surface of the screw cap 4-2, the bottom of the spherical ring 4-4 is a spherical surface, the top of the inner bushing 3-1 is provided with a ball seat II 4-5 correspondingly matched with the spherical surface at the bottom of the spherical ring 4-4, the aperture of the central hole of the ball seat II 4-5 is larger than the shaft diameter of the connecting shaft 4-1, the shaft diameter of the connecting shaft 4-1 is smaller than the aperture of the central hole of the inner bushing 3-1, namely, the connecting shaft 4-1 can swing along the ball seat I4-3 or the ball seat II 4-5 in the radial direction, and can automatically reset under the action of the elastic buffer sleeve 3-2, further relieve the swing of the cab 2 in the horizontal direction, thereby further improving the comfort level of the driver.

Implement hoist cab connection structure, correspond fastening connection with gallows 1 and monkey during the use, correspond gallows 1, buffer 3 and cab 2 through connecting axle 4-1 and nut 4-2 and connect, elastic buffer sleeve 3-2 possesses good elasticity, can effectively filter the vibration that gallows 1 produced to make cab 2 can even running.

The part of the utility model not detailed is prior art.

Claims

1. The utility model provides a hoist cab connection structure, contains gallows (1), cab (2), characterized by: the device also comprises a buffer device (3) and a connecting component (4); four corner ends at the top of the cab (2) are respectively provided with a plurality of groups of connecting components (4) correspondingly connected with the bottom of the hanger (1), and the positions corresponding to the connecting components (4) are respectively provided with a buffer device (3); the buffer device (3) comprises an inner bushing (3-1), an elastic buffer sleeve (3-2) and an outer bushing (3-3), the inner bushing (3-1), the elastic buffer sleeve (3-2) and the outer bushing (3-3) are sequentially and tightly sleeved from inside to outside, the tops of the inner bushing (3-1), the elastic buffer sleeve (3-2) and the outer bushing (3-3) are all provided with right-angle flanges, and the bottoms of the inner bushing (3-1) and the elastic buffer sleeve (3-2) extend out of the outer bushing (3-3); the sleeve body of the outer bushing (3-3) penetrates through the bottom of the hanger (1), the right-angle flanging of the outer bushing (3-3) is correspondingly contacted with the inner bottom of the hanger (1), the bottom end face of the elastic buffer sleeve (3-2) is correspondingly abutted against the top face of the cab (2), and the bottom of the inner bushing (3-1) is not contacted with the top face of the cab (2); the connecting assembly (4) comprises a connecting shaft (4-1) and a nut (4-2), the bottom of the connecting shaft (4-1) is correspondingly clamped with the top of the cab (2), a shaft body of the connecting shaft (4-1) penetrates through a center hole of the inner bushing (3-1), and the nut (4-2) is screwed on the top of the connecting shaft (4-1).

2. The crane cab connection structure according to claim 1, wherein: the bottom of the connecting shaft (4-1) is of a ball head structure, a ball seat I (4-3) which is correspondingly matched with a ball head at the bottom of the connecting shaft (4-1) is arranged at the inner top of the cab (2), and the aperture of a central hole of the ball seat I (4-3) is larger than the shaft diameter of the connecting shaft (4-1).

3. The crane cab connection structure according to claim 2, wherein: the top of the shaft body of the connecting shaft (4-1) is sleeved with a spherical ring (4-4) with the top surface correspondingly contacted with the bottom surface of the screw cap (4-2), the bottom of the spherical ring (4-4) is a spherical surface, the top of the inner bushing (3-1) is provided with a ball seat II (4-5) correspondingly matched with the spherical surface at the bottom of the spherical ring (4-4), the aperture of a central hole of the ball seat II (4-5) is larger than the aperture of the shaft of the connecting shaft (4-1), and the diameter of the shaft of the connecting shaft (4-1) is smaller than the aperture of the central hole of the inner bushing (3-1).

4. The crane cab connection structure according to claim 1, wherein: the top of the connecting shaft (4-1) is provided with a split pin (4-6) for preventing the nut (4-2) from falling off accidentally.

5. The crane cab connection structure according to claim 1, wherein: the connecting shaft (4-1) is a bolt, and the shaft body of the connecting shaft (4-1) is correspondingly contacted with the inner wall of the central hole of the inner bushing (3-1).

6. The crane cab connection structure according to claim 1, wherein: the elastic buffer sleeve (3-2) is made of vulcanized rubber.